feat: add workflow studio and postgres support

migrations_pg/20260516000001_initial.sql

@@ -0,0 +1,868 @@
+-- BoosAPI initial schema
+-- Generated from the existing SQLite database (hub.db)
+-- This migration creates all tables, indexes, and constraints.
+
+-- ============================================================
+-- SITES
+-- ============================================================
+CREATE TABLE IF NOT EXISTS sites (
+    id              BIGSERIAL PRIMARY KEY,
+    name            TEXT NOT NULL,
+    url             TEXT NOT NULL,
+    platform        TEXT NOT NULL,
+    status          TEXT NOT NULL DEFAULT 'active',
+    api_key         TEXT,
+    proxy_url       TEXT,
+    use_system_proxy BOOLEAN DEFAULT FALSE,
+    custom_headers  TEXT,
+    external_checkin_url TEXT,
+    global_weight   DOUBLE PRECISION DEFAULT 1,
+    post_refresh_probe_enabled BOOLEAN DEFAULT FALSE,
+    post_refresh_probe_model TEXT DEFAULT '',
+    post_refresh_probe_scope TEXT DEFAULT 'single',
+    post_refresh_probe_latency_threshold_ms BIGINT DEFAULT 0,
+    is_pinned       BOOLEAN DEFAULT FALSE,
+    sort_order      BIGINT DEFAULT 0,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS sites_platform_url_unique
+    ON sites (platform, url);
+
+CREATE INDEX IF NOT EXISTS sites_status_idx
+    ON sites (status);
+
+
+-- ============================================================
+-- USERS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS users (
+    id              BIGSERIAL PRIMARY KEY,
+    username        TEXT NOT NULL,
+    email           TEXT NOT NULL,
+    password_hash   TEXT NOT NULL,
+    role            TEXT NOT NULL DEFAULT 'user',
+    status          TEXT NOT NULL DEFAULT 'active',
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS users_email_unique
+    ON users (email);
+
+CREATE INDEX IF NOT EXISTS users_status_idx
+    ON users (status);
+
+
+-- ============================================================
+-- TOKEN ROUTES
+-- ============================================================
+CREATE TABLE IF NOT EXISTS token_routes (
+    id                  BIGSERIAL PRIMARY KEY,
+    model_pattern       TEXT NOT NULL,
+    model_mapping       TEXT,
+    display_name        TEXT,
+    display_icon        TEXT,
+    decision_snapshot   TEXT,
+    decision_refreshed_at TEXT,
+    routing_strategy    TEXT DEFAULT 'weighted',
+    route_mode          TEXT DEFAULT 'pattern',
+    enabled             BOOLEAN DEFAULT TRUE,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE INDEX IF NOT EXISTS token_routes_model_pattern_idx
+    ON token_routes (model_pattern);
+
+CREATE INDEX IF NOT EXISTS token_routes_enabled_idx
+    ON token_routes (enabled);
+
+
+-- ============================================================
+-- ACCOUNTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS accounts (
+    id                  BIGSERIAL PRIMARY KEY,
+    site_id             BIGINT NOT NULL,
+    username            TEXT,
+    access_token        TEXT NOT NULL,
+    api_token           TEXT,
+    balance             DOUBLE PRECISION DEFAULT 0,
+    balance_used        DOUBLE PRECISION DEFAULT 0,
+    quota               DOUBLE PRECISION DEFAULT 0,
+    unit_cost           DOUBLE PRECISION,
+    value_score         DOUBLE PRECISION DEFAULT 0,
+    status              TEXT DEFAULT 'active',
+    checkin_enabled     BOOLEAN DEFAULT TRUE,
+    last_checkin_at     TEXT,
+    last_balance_refresh TEXT,
+    extra_config        TEXT,
+    is_pinned           BOOLEAN DEFAULT FALSE,
+    sort_order          BIGINT DEFAULT 0,
+    oauth_provider      TEXT,
+    oauth_account_key   TEXT,
+    oauth_project_id    TEXT,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS accounts_site_id_idx
+    ON accounts (site_id);
+
+CREATE INDEX IF NOT EXISTS accounts_status_idx
+    ON accounts (status);
+
+CREATE INDEX IF NOT EXISTS accounts_site_status_idx
+    ON accounts (site_id, status);
+
+CREATE INDEX IF NOT EXISTS accounts_oauth_provider_idx
+    ON accounts (oauth_provider);
+
+CREATE INDEX IF NOT EXISTS accounts_oauth_identity_idx
+    ON accounts (oauth_provider, oauth_account_key, oauth_project_id);
+
+
+-- ============================================================
+-- DOWNSTREAM API KEYS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS downstream_api_keys (
+    id                      BIGSERIAL PRIMARY KEY,
+    name                    TEXT NOT NULL,
+    key                     TEXT NOT NULL,
+    description             TEXT,
+    group_name              TEXT,
+    tags                    TEXT,
+    enabled                 BOOLEAN DEFAULT TRUE,
+    expires_at              TEXT,
+    max_cost                DOUBLE PRECISION,
+    used_cost               DOUBLE PRECISION DEFAULT 0,
+    max_requests            BIGINT,
+    used_requests           BIGINT DEFAULT 0,
+    supported_models        TEXT,
+    allowed_route_ids       TEXT,
+    site_weight_multipliers TEXT,
+    excluded_site_ids       TEXT,
+    excluded_credential_refs TEXT,
+    last_used_at            TEXT,
+    user_id                 BIGINT REFERENCES users(id),
+    created_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS downstream_api_keys_key_unique
+    ON downstream_api_keys (key);
+
+CREATE INDEX IF NOT EXISTS downstream_api_keys_name_idx
+    ON downstream_api_keys (name);
+
+CREATE INDEX IF NOT EXISTS downstream_api_keys_enabled_idx
+    ON downstream_api_keys (enabled);
+
+CREATE INDEX IF NOT EXISTS downstream_api_keys_expires_at_idx
+    ON downstream_api_keys (expires_at);
+
+
+-- ============================================================
+-- SITE DISABLED MODELS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS site_disabled_models (
+    id          BIGSERIAL PRIMARY KEY,
+    site_id     BIGINT NOT NULL,
+    model_name  TEXT NOT NULL,
+    created_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS site_disabled_models_site_model_unique
+    ON site_disabled_models (site_id, model_name);
+
+CREATE INDEX IF NOT EXISTS site_disabled_models_site_id_idx
+    ON site_disabled_models (site_id);
+
+
+-- ============================================================
+-- SITE API ENDPOINTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS site_api_endpoints (
+    id                  BIGSERIAL PRIMARY KEY,
+    site_id             BIGINT NOT NULL,
+    url                 TEXT NOT NULL,
+    enabled             BOOLEAN DEFAULT TRUE,
+    sort_order          BIGINT DEFAULT 0,
+    cooldown_until      TEXT,
+    last_selected_at    TEXT,
+    last_failed_at      TEXT,
+    last_failure_reason TEXT,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS site_api_endpoints_site_url_unique
+    ON site_api_endpoints (site_id, url);
+
+CREATE INDEX IF NOT EXISTS site_api_endpoints_site_enabled_sort_idx
+    ON site_api_endpoints (site_id, enabled, sort_order);
+
+CREATE INDEX IF NOT EXISTS site_api_endpoints_site_cooldown_idx
+    ON site_api_endpoints (site_id, cooldown_until);
+
+
+-- ============================================================
+-- ACCOUNT TOKENS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS account_tokens (
+    id              BIGSERIAL PRIMARY KEY,
+    account_id      BIGINT NOT NULL,
+    name            TEXT NOT NULL,
+    token           TEXT NOT NULL,
+    source          TEXT DEFAULT 'manual',
+    token_group     TEXT,
+    value_status    TEXT NOT NULL DEFAULT 'ready',
+    enabled         BOOLEAN DEFAULT TRUE,
+    is_default      BOOLEAN DEFAULT FALSE,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS account_tokens_account_id_idx
+    ON account_tokens (account_id);
+
+CREATE INDEX IF NOT EXISTS account_tokens_account_enabled_idx
+    ON account_tokens (account_id, enabled);
+
+CREATE INDEX IF NOT EXISTS account_tokens_enabled_idx
+    ON account_tokens (enabled);
+
+
+-- ============================================================
+-- CHECKIN LOGS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS checkin_logs (
+    id          BIGSERIAL PRIMARY KEY,
+    account_id  BIGINT NOT NULL,
+    status      TEXT NOT NULL,
+    message     TEXT,
+    reward      TEXT,
+    created_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS checkin_logs_account_created_at_idx
+    ON checkin_logs (account_id, created_at);
+
+CREATE INDEX IF NOT EXISTS checkin_logs_created_at_idx
+    ON checkin_logs (created_at);
+
+CREATE INDEX IF NOT EXISTS checkin_logs_status_idx
+    ON checkin_logs (status);
+
+
+-- ============================================================
+-- MODEL AVAILABILITY
+-- ============================================================
+CREATE TABLE IF NOT EXISTS model_availability (
+    id          BIGSERIAL PRIMARY KEY,
+    account_id  BIGINT NOT NULL,
+    model_name  TEXT NOT NULL,
+    available   BIGINT,
+    latency_ms  BIGINT,
+    checked_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    is_manual   BOOLEAN DEFAULT FALSE,
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS model_availability_account_model_unique
+    ON model_availability (account_id, model_name);
+
+CREATE INDEX IF NOT EXISTS model_availability_account_available_idx
+    ON model_availability (account_id, available);
+
+CREATE INDEX IF NOT EXISTS model_availability_model_name_idx
+    ON model_availability (model_name);
+
+
+-- ============================================================
+-- TOKEN MODEL AVAILABILITY
+-- ============================================================
+CREATE TABLE IF NOT EXISTS token_model_availability (
+    id          BIGSERIAL PRIMARY KEY,
+    token_id    BIGINT NOT NULL,
+    model_name  TEXT NOT NULL,
+    available   BIGINT,
+    latency_ms  BIGINT,
+    checked_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (token_id) REFERENCES account_tokens(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS token_model_availability_token_model_unique
+    ON token_model_availability (token_id, model_name);
+
+CREATE INDEX IF NOT EXISTS token_model_availability_token_available_idx
+    ON token_model_availability (token_id, available);
+
+CREATE INDEX IF NOT EXISTS token_model_availability_model_name_idx
+    ON token_model_availability (model_name);
+
+CREATE INDEX IF NOT EXISTS token_model_availability_available_idx
+    ON token_model_availability (available);
+
+
+-- ============================================================
+-- ROUTE CHANNELS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS route_channels (
+    id                      BIGSERIAL PRIMARY KEY,
+    route_id                BIGINT NOT NULL,
+    account_id              BIGINT NOT NULL,
+    token_id                BIGINT,
+    oauth_route_unit_id     BIGINT,
+    source_model            TEXT,
+    priority                BIGINT DEFAULT 0,
+    weight                  BIGINT DEFAULT 10,
+    enabled                 BOOLEAN DEFAULT TRUE,
+    manual_override         BOOLEAN DEFAULT FALSE,
+    success_count           BIGINT DEFAULT 0,
+    fail_count              BIGINT DEFAULT 0,
+    total_latency_ms        BIGINT DEFAULT 0,
+    total_cost              DOUBLE PRECISION DEFAULT 0,
+    last_used_at            TEXT,
+    last_selected_at        TEXT,
+    last_fail_at            TEXT,
+    consecutive_fail_count  BIGINT NOT NULL DEFAULT 0,
+    cooldown_level          BIGINT NOT NULL DEFAULT 0,
+    cooldown_until          TEXT,
+    FOREIGN KEY (route_id) REFERENCES token_routes(id) ON DELETE CASCADE,
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE,
+    FOREIGN KEY (token_id) REFERENCES account_tokens(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS route_channels_route_id_idx
+    ON route_channels (route_id);
+
+CREATE INDEX IF NOT EXISTS route_channels_account_id_idx
+    ON route_channels (account_id);
+
+CREATE INDEX IF NOT EXISTS route_channels_token_id_idx
+    ON route_channels (token_id);
+
+CREATE INDEX IF NOT EXISTS route_channels_route_enabled_idx
+    ON route_channels (route_id, enabled);
+
+CREATE INDEX IF NOT EXISTS route_channels_route_token_idx
+    ON route_channels (route_id, token_id);
+
+CREATE INDEX IF NOT EXISTS route_channels_oauth_route_unit_id_idx
+    ON route_channels (oauth_route_unit_id);
+
+
+-- ============================================================
+-- ROUTE GROUP SOURCES
+-- ============================================================
+CREATE TABLE IF NOT EXISTS route_group_sources (
+    id              BIGSERIAL PRIMARY KEY,
+    group_route_id  BIGINT NOT NULL,
+    source_route_id BIGINT NOT NULL,
+    FOREIGN KEY (group_route_id) REFERENCES token_routes(id) ON DELETE CASCADE,
+    FOREIGN KEY (source_route_id) REFERENCES token_routes(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS route_group_sources_group_source_unique
+    ON route_group_sources (group_route_id, source_route_id);
+
+CREATE INDEX IF NOT EXISTS route_group_sources_source_route_id_idx
+    ON route_group_sources (source_route_id);
+
+
+-- ============================================================
+-- PROXY LOGS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS proxy_logs (
+    id                      BIGSERIAL PRIMARY KEY,
+    route_id                BIGINT,
+    channel_id              BIGINT,
+    account_id              BIGINT,
+    downstream_api_key_id   BIGINT,
+    model_requested         TEXT,
+    model_actual            TEXT,
+    status                  TEXT,
+    http_status             BIGINT,
+    latency_ms              BIGINT,
+    first_byte_latency_ms   BIGINT,
+    prompt_tokens           BIGINT,
+    completion_tokens       BIGINT,
+    total_tokens            BIGINT,
+    estimated_cost          DOUBLE PRECISION,
+    error_message           TEXT,
+    retry_count             BIGINT DEFAULT 0,
+    is_stream               BIGINT,
+    client_family           TEXT,
+    client_app_id           TEXT,
+    client_app_name         TEXT,
+    client_confidence       TEXT,
+    billing_details         TEXT,
+    created_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_created_at_idx
+    ON proxy_logs (created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_account_created_at_idx
+    ON proxy_logs (account_id, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_status_created_at_idx
+    ON proxy_logs (status, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_model_actual_created_at_idx
+    ON proxy_logs (model_actual, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_downstream_api_key_created_at_idx
+    ON proxy_logs (downstream_api_key_id, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_client_app_id_created_at_idx
+    ON proxy_logs (client_app_id, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_logs_client_family_created_at_idx
+    ON proxy_logs (client_family, created_at);
+
+
+-- ============================================================
+-- PROXY VIDEO TASKS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS proxy_video_tasks (
+    id                      BIGSERIAL PRIMARY KEY,
+    public_id               TEXT NOT NULL,
+    upstream_video_id       TEXT NOT NULL,
+    site_url                TEXT NOT NULL,
+    token_value             TEXT NOT NULL,
+    requested_model         TEXT,
+    actual_model            TEXT,
+    channel_id              BIGINT,
+    account_id              BIGINT,
+    status_snapshot         TEXT,
+    upstream_response_meta  TEXT,
+    last_upstream_status    BIGINT,
+    last_polled_at          TEXT,
+    created_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS proxy_video_tasks_public_id_unique
+    ON proxy_video_tasks (public_id);
+
+CREATE INDEX IF NOT EXISTS proxy_video_tasks_upstream_video_id_idx
+    ON proxy_video_tasks (upstream_video_id);
+
+CREATE INDEX IF NOT EXISTS proxy_video_tasks_created_at_idx
+    ON proxy_video_tasks (created_at);
+
+
+-- ============================================================
+-- PROXY FILES
+-- ============================================================
+CREATE TABLE IF NOT EXISTS proxy_files (
+    id              BIGSERIAL PRIMARY KEY,
+    public_id       TEXT NOT NULL,
+    owner_type      TEXT NOT NULL,
+    owner_id        TEXT NOT NULL,
+    filename        TEXT NOT NULL,
+    mime_type       TEXT NOT NULL,
+    purpose         TEXT,
+    byte_size       BIGINT NOT NULL,
+    sha256          TEXT NOT NULL,
+    content_base64  TEXT NOT NULL,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    deleted_at      TEXT
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS proxy_files_public_id_unique
+    ON proxy_files (public_id);
+
+CREATE INDEX IF NOT EXISTS proxy_files_owner_lookup_idx
+    ON proxy_files (owner_type, owner_id, deleted_at);
+
+
+-- ============================================================
+-- PROXY DEBUG TRACES
+-- ============================================================
+CREATE TABLE IF NOT EXISTS proxy_debug_traces (
+    id                          BIGSERIAL PRIMARY KEY,
+    downstream_path             TEXT NOT NULL,
+    client_kind                 TEXT,
+    session_id                  TEXT,
+    trace_hint                  TEXT,
+    requested_model             TEXT,
+    downstream_api_key_id       BIGINT,
+    request_headers_json        TEXT,
+    request_body_json           TEXT,
+    sticky_session_key          TEXT,
+    sticky_hit_channel_id       BIGINT,
+    selected_channel_id         BIGINT,
+    selected_route_id           BIGINT,
+    selected_account_id         BIGINT,
+    selected_site_id            BIGINT,
+    selected_site_platform      TEXT,
+    endpoint_candidates_json    TEXT,
+    endpoint_runtime_state_json TEXT,
+    decision_summary_json       TEXT,
+    final_status                TEXT,
+    final_http_status           BIGINT,
+    final_upstream_path         TEXT,
+    final_response_headers_json TEXT,
+    final_response_body_json    TEXT,
+    created_at                  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at                  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE INDEX IF NOT EXISTS proxy_debug_traces_created_at_idx
+    ON proxy_debug_traces (created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_debug_traces_session_created_at_idx
+    ON proxy_debug_traces (session_id, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_debug_traces_model_created_at_idx
+    ON proxy_debug_traces (requested_model, created_at);
+
+CREATE INDEX IF NOT EXISTS proxy_debug_traces_final_status_created_at_idx
+    ON proxy_debug_traces (final_status, created_at);
+
+
+-- ============================================================
+-- PROXY DEBUG ATTEMPTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS proxy_debug_attempts (
+    id                  BIGSERIAL PRIMARY KEY,
+    trace_id            BIGINT NOT NULL,
+    attempt_index       BIGINT NOT NULL,
+    endpoint            TEXT NOT NULL,
+    request_path        TEXT NOT NULL,
+    target_url          TEXT NOT NULL,
+    runtime_executor    TEXT,
+    request_headers_json TEXT,
+    request_body_json   TEXT,
+    response_status     BIGINT,
+    response_headers_json TEXT,
+    response_body_json  TEXT,
+    raw_error_text      TEXT,
+    recover_applied     BOOLEAN DEFAULT FALSE,
+    downgrade_decision  BOOLEAN DEFAULT FALSE,
+    downgrade_reason    TEXT,
+    memory_write_json   TEXT,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (trace_id) REFERENCES proxy_debug_traces(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS proxy_debug_attempts_trace_attempt_unique
+    ON proxy_debug_attempts (trace_id, attempt_index);
+
+CREATE INDEX IF NOT EXISTS proxy_debug_attempts_trace_created_at_idx
+    ON proxy_debug_attempts (trace_id, created_at);
+
+
+-- ============================================================
+-- EVENTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS events (
+    id              BIGSERIAL PRIMARY KEY,
+    type            TEXT NOT NULL,
+    title           TEXT NOT NULL,
+    message         TEXT,
+    level           TEXT NOT NULL DEFAULT 'info',
+    "read"            BOOLEAN DEFAULT FALSE,
+    related_id      BIGINT,
+    related_type    TEXT,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE INDEX IF NOT EXISTS events_read_created_at_idx
+    ON events ("read", created_at);
+
+CREATE INDEX IF NOT EXISTS events_type_created_at_idx
+    ON events (type, created_at);
+
+CREATE INDEX IF NOT EXISTS events_created_at_idx
+    ON events (created_at);
+
+
+-- ============================================================
+-- SITE ANNOUNCEMENTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS site_announcements (
+    id                  BIGSERIAL PRIMARY KEY,
+    site_id             BIGINT NOT NULL,
+    platform            TEXT NOT NULL,
+    source_key          TEXT NOT NULL,
+    title               TEXT NOT NULL,
+    content             TEXT NOT NULL,
+    level               TEXT NOT NULL DEFAULT 'info',
+    source_url          TEXT,
+    starts_at           TEXT,
+    ends_at             TEXT,
+    upstream_created_at TEXT,
+    upstream_updated_at TEXT,
+    first_seen_at       TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    last_seen_at        TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    read_at             TEXT,
+    dismissed_at        TEXT,
+    raw_payload         TEXT,
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS site_announcements_site_source_key_unique
+    ON site_announcements (site_id, source_key);
+
+CREATE INDEX IF NOT EXISTS site_announcements_site_id_first_seen_at_idx
+    ON site_announcements (site_id, first_seen_at);
+
+CREATE INDEX IF NOT EXISTS site_announcements_read_at_idx
+    ON site_announcements (read_at);
+
+
+-- ============================================================
+-- OAUTH ROUTE UNITS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS oauth_route_units (
+    id          BIGSERIAL PRIMARY KEY,
+    site_id     BIGINT NOT NULL,
+    provider    TEXT NOT NULL,
+    name        TEXT NOT NULL,
+    strategy    TEXT NOT NULL DEFAULT 'round_robin',
+    enabled     BOOLEAN DEFAULT TRUE,
+    created_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at  TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS oauth_route_units_site_provider_idx
+    ON oauth_route_units (site_id, provider);
+
+CREATE INDEX IF NOT EXISTS oauth_route_units_enabled_idx
+    ON oauth_route_units (enabled);
+
+
+-- ============================================================
+-- OAUTH ROUTE UNIT MEMBERS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS oauth_route_unit_members (
+    id                      BIGSERIAL PRIMARY KEY,
+    unit_id                 BIGINT NOT NULL,
+    account_id              BIGINT NOT NULL,
+    sort_order              BIGINT DEFAULT 0,
+    success_count           BIGINT DEFAULT 0,
+    fail_count              BIGINT DEFAULT 0,
+    total_latency_ms        BIGINT DEFAULT 0,
+    total_cost              DOUBLE PRECISION DEFAULT 0,
+    last_used_at            TEXT,
+    last_selected_at        TEXT,
+    last_fail_at            TEXT,
+    consecutive_fail_count  BIGINT NOT NULL DEFAULT 0,
+    cooldown_level          BIGINT NOT NULL DEFAULT 0,
+    cooldown_until          TEXT,
+    created_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (unit_id) REFERENCES oauth_route_units(id) ON DELETE CASCADE,
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS oauth_route_unit_members_unit_account_unique
+    ON oauth_route_unit_members (unit_id, account_id);
+
+CREATE UNIQUE INDEX IF NOT EXISTS oauth_route_unit_members_account_unique
+    ON oauth_route_unit_members (account_id);
+
+CREATE INDEX IF NOT EXISTS oauth_route_unit_members_unit_sort_idx
+    ON oauth_route_unit_members (unit_id, sort_order);
+
+CREATE INDEX IF NOT EXISTS oauth_route_unit_members_unit_cooldown_idx
+    ON oauth_route_unit_members (unit_id, cooldown_until);
+
+
+-- ============================================================
+-- SETTINGS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS settings (
+    key     TEXT PRIMARY KEY NOT NULL,
+    value   TEXT
+);
+
+
+-- ============================================================
+-- ADMIN SNAPSHOTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS admin_snapshots (
+    id              BIGSERIAL PRIMARY KEY,
+    namespace       TEXT NOT NULL,
+    snapshot_key    TEXT NOT NULL,
+    payload         TEXT NOT NULL,
+    generated_at    TEXT NOT NULL,
+    expires_at      TEXT NOT NULL,
+    stale_until     TEXT NOT NULL,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS admin_snapshots_namespace_key_unique
+    ON admin_snapshots (namespace, snapshot_key);
+
+CREATE INDEX IF NOT EXISTS admin_snapshots_expires_at_idx
+    ON admin_snapshots (expires_at);
+
+CREATE INDEX IF NOT EXISTS admin_snapshots_stale_until_idx
+    ON admin_snapshots (stale_until);
+
+
+-- ============================================================
+-- ANALYTICS PROJECTION CHECKPOINTS
+-- ============================================================
+CREATE TABLE IF NOT EXISTS analytics_projection_checkpoints (
+    projector_key           TEXT PRIMARY KEY NOT NULL,
+    time_zone               TEXT NOT NULL DEFAULT 'Local',
+    last_proxy_log_id       BIGINT NOT NULL DEFAULT 0,
+    watermark_created_at    TEXT,
+    recompute_from_id       BIGINT,
+    recompute_requested_at  TEXT,
+    recompute_reason        TEXT,
+    recompute_started_at    TEXT,
+    recompute_completed_at  TEXT,
+    last_projected_at       TEXT,
+    last_successful_at      TEXT,
+    last_error              TEXT,
+    lease_owner             TEXT,
+    lease_token             TEXT,
+    lease_expires_at        TEXT,
+    created_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at              TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE INDEX IF NOT EXISTS analytics_projection_checkpoints_recompute_from_id_idx
+    ON analytics_projection_checkpoints (recompute_from_id);
+
+CREATE INDEX IF NOT EXISTS analytics_projection_checkpoints_lease_expires_at_idx
+    ON analytics_projection_checkpoints (lease_expires_at);
+
+
+-- ============================================================
+-- MODEL DAY USAGE
+-- ============================================================
+CREATE TABLE IF NOT EXISTS model_day_usage (
+    id              BIGSERIAL PRIMARY KEY,
+    local_day       TEXT NOT NULL,
+    site_id         BIGINT NOT NULL,
+    model           TEXT NOT NULL,
+    total_calls     BIGINT NOT NULL DEFAULT 0,
+    success_calls   BIGINT NOT NULL DEFAULT 0,
+    failed_calls    BIGINT NOT NULL DEFAULT 0,
+    total_tokens    BIGINT NOT NULL DEFAULT 0,
+    total_spend     DOUBLE PRECISION NOT NULL DEFAULT 0,
+    total_latency_ms BIGINT NOT NULL DEFAULT 0,
+    latency_count   BIGINT NOT NULL DEFAULT 0,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE,
+    CONSTRAINT model_day_usage_non_negative CHECK (
+        total_calls >= 0
+        AND success_calls >= 0
+        AND failed_calls >= 0
+        AND total_tokens >= 0
+        AND total_spend >= 0
+        AND total_latency_ms >= 0
+        AND latency_count >= 0
+    )
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS model_day_usage_day_site_model_unique
+    ON model_day_usage (local_day, site_id, model);
+
+CREATE INDEX IF NOT EXISTS model_day_usage_day_idx
+    ON model_day_usage (local_day);
+
+CREATE INDEX IF NOT EXISTS model_day_usage_site_id_idx
+    ON model_day_usage (site_id);
+
+CREATE INDEX IF NOT EXISTS model_day_usage_model_idx
+    ON model_day_usage (model);
+
+
+-- ============================================================
+-- SITE DAY USAGE
+-- ============================================================
+CREATE TABLE IF NOT EXISTS site_day_usage (
+    id                  BIGSERIAL PRIMARY KEY,
+    local_day           TEXT NOT NULL,
+    site_id             BIGINT NOT NULL,
+    total_calls         BIGINT NOT NULL DEFAULT 0,
+    success_calls       BIGINT NOT NULL DEFAULT 0,
+    failed_calls        BIGINT NOT NULL DEFAULT 0,
+    total_tokens        BIGINT NOT NULL DEFAULT 0,
+    total_summary_spend DOUBLE PRECISION NOT NULL DEFAULT 0,
+    total_site_spend    DOUBLE PRECISION NOT NULL DEFAULT 0,
+    total_latency_ms    BIGINT NOT NULL DEFAULT 0,
+    latency_count       BIGINT NOT NULL DEFAULT 0,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE,
+    CONSTRAINT site_day_usage_non_negative CHECK (
+        total_calls >= 0
+        AND success_calls >= 0
+        AND failed_calls >= 0
+        AND total_tokens >= 0
+        AND total_summary_spend >= 0
+        AND total_site_spend >= 0
+        AND total_latency_ms >= 0
+        AND latency_count >= 0
+    )
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS site_day_usage_day_site_unique
+    ON site_day_usage (local_day, site_id);
+
+CREATE INDEX IF NOT EXISTS site_day_usage_day_idx
+    ON site_day_usage (local_day);
+
+CREATE INDEX IF NOT EXISTS site_day_usage_site_id_idx
+    ON site_day_usage (site_id);
+
+
+-- ============================================================
+-- SITE HOUR USAGE
+-- ============================================================
+CREATE TABLE IF NOT EXISTS site_hour_usage (
+    id                  BIGSERIAL PRIMARY KEY,
+    bucket_start_utc    TEXT NOT NULL,
+    site_id             BIGINT NOT NULL,
+    total_calls         BIGINT NOT NULL DEFAULT 0,
+    success_calls       BIGINT NOT NULL DEFAULT 0,
+    failed_calls        BIGINT NOT NULL DEFAULT 0,
+    total_tokens        BIGINT NOT NULL DEFAULT 0,
+    total_summary_spend DOUBLE PRECISION NOT NULL DEFAULT 0,
+    total_site_spend    DOUBLE PRECISION NOT NULL DEFAULT 0,
+    total_latency_ms    BIGINT NOT NULL DEFAULT 0,
+    latency_count       BIGINT NOT NULL DEFAULT 0,
+    created_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at          TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE,
+    CONSTRAINT site_hour_usage_non_negative CHECK (
+        total_calls >= 0
+        AND success_calls >= 0
+        AND failed_calls >= 0
+        AND total_tokens >= 0
+        AND total_summary_spend >= 0
+        AND total_site_spend >= 0
+        AND total_latency_ms >= 0
+        AND latency_count >= 0
+    )
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS site_hour_usage_hour_site_unique
+    ON site_hour_usage (bucket_start_utc, site_id);
+
+CREATE INDEX IF NOT EXISTS site_hour_usage_hour_idx
+    ON site_hour_usage (bucket_start_utc);
+
+CREATE INDEX IF NOT EXISTS site_hour_usage_site_id_idx
+    ON site_hour_usage (site_id);

migrations_pg/20260517000001_background_tasks.sql

@@ -0,0 +1,24 @@
+-- Background tasks tracking
+CREATE TABLE IF NOT EXISTS background_tasks (
+    id              TEXT PRIMARY KEY NOT NULL,
+    task_type       TEXT NOT NULL,
+    title           TEXT NOT NULL,
+    status          TEXT NOT NULL DEFAULT 'pending',
+    message         TEXT DEFAULT '',
+    error           TEXT,
+    dedupe_key      TEXT,
+    success_title   TEXT,
+    failure_title   TEXT,
+    notify_on_success BOOLEAN DEFAULT TRUE,
+    notify_on_failure BOOLEAN DEFAULT TRUE,
+    result_json     TEXT,
+    progress        BIGINT DEFAULT 0,
+    progress_total  BIGINT DEFAULT 0,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    started_at      TEXT,
+    finished_at     TEXT
+);
+
+CREATE INDEX IF NOT EXISTS background_tasks_status_idx
+    ON background_tasks (status);

migrations_pg/20260517000002_organizations.sql

@@ -0,0 +1,53 @@
+-- Organizations, members, and invitations for multi-tenant support
+
+CREATE TABLE IF NOT EXISTS organizations (
+    id              BIGSERIAL PRIMARY KEY,
+    name            TEXT NOT NULL,
+    slug            TEXT NOT NULL UNIQUE,
+    plan            TEXT NOT NULL DEFAULT 'free',
+    status          TEXT NOT NULL DEFAULT 'active',
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS org_slug_idx
+    ON organizations (slug);
+
+CREATE INDEX IF NOT EXISTS org_plan_idx
+    ON organizations (plan);
+
+CREATE TABLE IF NOT EXISTS organization_members (
+    id              BIGSERIAL PRIMARY KEY,
+    org_id          BIGINT NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    user_id         BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    role            TEXT NOT NULL DEFAULT 'member',
+    status          TEXT NOT NULL DEFAULT 'active',
+    joined_at       TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS org_member_unique
+    ON organization_members (org_id, user_id);
+
+CREATE INDEX IF NOT EXISTS org_members_org_id_idx
+    ON organization_members (org_id);
+
+CREATE INDEX IF NOT EXISTS org_members_user_id_idx
+    ON organization_members (user_id);
+
+CREATE TABLE IF NOT EXISTS invitations (
+    id              BIGSERIAL PRIMARY KEY,
+    org_id          BIGINT NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    email           TEXT NOT NULL,
+    token           TEXT NOT NULL UNIQUE,
+    role            TEXT NOT NULL DEFAULT 'member',
+    invited_by      BIGINT REFERENCES users(id),
+    status          TEXT NOT NULL DEFAULT 'pending',
+    expires_at      TEXT NOT NULL,
+    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS invitations_token_unique
+    ON invitations (token);
+
+CREATE INDEX IF NOT EXISTS invitations_status_idx
+    ON invitations (status);

migrations_pg/20260518000001_usage_logs.sql

@@ -0,0 +1,37 @@
+-- Usage tracking tables migrated from the Node.js backend.
+
+CREATE TABLE IF NOT EXISTS usage_logs (
+    id BIGSERIAL PRIMARY KEY,
+    downstream_key_id BIGINT,
+    model TEXT,
+    prompt_tokens BIGINT DEFAULT 0,
+    completion_tokens BIGINT DEFAULT 0,
+    total_tokens BIGINT DEFAULT 0,
+    cost DOUBLE PRECISION DEFAULT 0.0,
+    created_at TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY (downstream_key_id) REFERENCES downstream_api_keys(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS usage_logs_downstream_key_created_idx
+    ON usage_logs (downstream_key_id, created_at);
+
+CREATE INDEX IF NOT EXISTS usage_logs_created_idx
+    ON usage_logs (created_at);
+
+CREATE TABLE IF NOT EXISTS usage_daily_snapshots (
+    id BIGSERIAL PRIMARY KEY,
+    local_day TEXT NOT NULL,
+    downstream_key_id BIGINT,
+    request_count BIGINT NOT NULL DEFAULT 0,
+    prompt_tokens BIGINT NOT NULL DEFAULT 0,
+    completion_tokens BIGINT NOT NULL DEFAULT 0,
+    total_tokens BIGINT NOT NULL DEFAULT 0,
+    total_cost DOUBLE PRECISION NOT NULL DEFAULT 0.0,
+    created_at TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    UNIQUE(),
+    FOREIGN KEY (downstream_key_id) REFERENCES downstream_api_keys(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS usage_daily_snapshots_day_idx
+    ON usage_daily_snapshots (local_day);

migrations_pg/20260522000001_user_announcements.sql

@@ -0,0 +1,33 @@
+-- Admin-authored announcements for normal users.
+
+CREATE TABLE IF NOT EXISTS user_announcements (
+    id           BIGSERIAL PRIMARY KEY,
+    title        TEXT NOT NULL,
+    content      TEXT NOT NULL,
+    level        TEXT NOT NULL DEFAULT 'info',
+    status       TEXT NOT NULL DEFAULT 'published',
+    audience     TEXT NOT NULL DEFAULT 'all',
+    starts_at    TEXT,
+    ends_at      TEXT,
+    created_at   TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at   TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    published_at TEXT
+);
+
+CREATE INDEX IF NOT EXISTS user_announcements_status_created_at_idx
+    ON user_announcements (status, created_at);
+
+CREATE INDEX IF NOT EXISTS user_announcements_active_window_idx
+    ON user_announcements (starts_at, ends_at);
+
+CREATE TABLE IF NOT EXISTS user_announcement_reads (
+    announcement_id BIGINT NOT NULL,
+    user_id         BIGINT NOT NULL,
+    read_at         TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    PRIMARY KEY (announcement_id, user_id),
+    FOREIGN KEY (announcement_id) REFERENCES user_announcements(id) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS user_announcement_reads_user_id_idx
+    ON user_announcement_reads (user_id);

migrations_pg/20260522000002_workspace_assets.sql

@@ -0,0 +1,34 @@
+-- Workspace assets: local archive for creative outputs from Picture Agent,
+-- ComfyUI Agent, Video Agent and ComfyUI workspaces.
+
+CREATE TABLE IF NOT EXISTS workspace_assets (
+    id BIGSERIAL PRIMARY KEY,
+    public_id TEXT NOT NULL UNIQUE,
+    user_id BIGINT,
+    source TEXT NOT NULL,
+    kind TEXT NOT NULL,
+    title TEXT,
+    prompt TEXT,
+    model TEXT,
+    status TEXT NOT NULL DEFAULT 'completed',
+    mime_type TEXT,
+    file_name TEXT,
+    file_path TEXT,
+    remote_url TEXT,
+    thumbnail_path TEXT,
+    size_bytes BIGINT NOT NULL DEFAULT 0,
+    metadata TEXT NOT NULL DEFAULT '{}',
+    created_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    deleted_at TEXT,
+    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_workspace_assets_user_created
+    ON workspace_assets(user_id, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workspace_assets_source_created
+    ON workspace_assets(source, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workspace_assets_kind_created
+    ON workspace_assets(kind, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workspace_assets_deleted
+    ON workspace_assets(deleted_at);

migrations_pg/20260523000001_workflow_studio.sql

@@ -0,0 +1,64 @@
+-- BoosAPI Workflow Studio core tables.
+
+CREATE TABLE IF NOT EXISTS workflows (
+    id BIGSERIAL PRIMARY KEY,
+    public_id TEXT NOT NULL UNIQUE,
+    user_id BIGINT,
+    name TEXT NOT NULL,
+    description TEXT,
+    graph TEXT NOT NULL DEFAULT '{}',
+    is_template BIGINT NOT NULL DEFAULT 0,
+    visibility TEXT NOT NULL DEFAULT 'private',
+    created_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    updated_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    deleted_at TEXT,
+    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflows_user_updated
+    ON workflows(user_id, updated_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workflows_visibility
+    ON workflows(visibility);
+CREATE INDEX IF NOT EXISTS idx_workflows_deleted
+    ON workflows(deleted_at);
+
+CREATE TABLE IF NOT EXISTS workflow_runs (
+    id BIGSERIAL PRIMARY KEY,
+    public_id TEXT NOT NULL UNIQUE,
+    workflow_id BIGINT NOT NULL,
+    user_id BIGINT,
+    status TEXT NOT NULL,
+    input_overrides TEXT NOT NULL DEFAULT '{}',
+    final_outputs TEXT,
+    error_message TEXT,
+    started_at TEXT,
+    completed_at TEXT,
+    created_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY(workflow_id) REFERENCES workflows(id) ON DELETE CASCADE,
+    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE SET NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_runs_workflow_created
+    ON workflow_runs(workflow_id, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workflow_runs_user_created
+    ON workflow_runs(user_id, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_workflow_runs_status
+    ON workflow_runs(status);
+
+CREATE TABLE IF NOT EXISTS workflow_node_runs (
+    id BIGSERIAL PRIMARY KEY,
+    run_id BIGINT NOT NULL,
+    node_id TEXT NOT NULL,
+    node_type TEXT NOT NULL,
+    status TEXT NOT NULL,
+    inputs TEXT NOT NULL DEFAULT '{}',
+    outputs TEXT,
+    error_message TEXT,
+    started_at TEXT,
+    completed_at TEXT,
+    created_at TEXT NOT NULL DEFAULT (CURRENT_TIMESTAMP::TEXT),
+    FOREIGN KEY(run_id) REFERENCES workflow_runs(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_node_runs_run
+    ON workflow_node_runs(run_id, id);